A CBC investigation into Canada's two largest coffee companies has led to more revelations about poor environmental practices at Starbucks and Tim Hortons.

The stories come on the heels of a CBC Marketplace investigation, revealing how paper cups that customers tossed into store recycling bins at Toronto Starbucks and Tim Hortons were actually being thrown into the garbage, not recycled at all.

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It said, "Upon hearing of some stores that had not disposed of recyclable material properly, we immediately conducted a review of all our stores across the country, and are taking steps to ensure and confirm that all our stores are delivering on our recycling commitment."

But he says when he and other store managers asked a district manager and an area facilities service manager a year ago what private company was supposed to be picking up the recycling, they were told to "move on to something more important."